Java(24) _变量的作用域

 

package com.bowen.dong;
import java.io.File;
/**
 * 
 * @author bw
 * @version1.0
 */
public class FileTest {
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        
        {
          int x=1;
         System.out.println(x);
        }
        //System.out.println(x);  报错
        
         }
 }